memset: use neon-less impl, reformat other asm

libraries/libmesosphere/source/libc/arch/arm64/asmdefs.h

@@ -8,22 +8,22 @@
 #ifndef _ASMDEFS_H
 #define _ASMDEFS_H
 
-#define ENTRY_ALIGN(name, alignment)	\
-  .global name;		\
-  .type name,%function;	\
-  .align alignment;		\
-  name:			\
+#define ENTRY_ALIGN(name, alignment)    \
+  .global name;                         \
+  .type name,%function;                 \
+  .align alignment;                     \
+  name:                                 \
   .cfi_startproc;
 
-#define ENTRY(name)	ENTRY_ALIGN(name, 6)
+#define ENTRY(name)    ENTRY_ALIGN(name, 6)
 
-#define ENTRY_ALIAS(name)	\
-  .global name;		\
-  .type name,%function;	\
+#define ENTRY_ALIAS(name)   \
+  .global name;             \
+  .type name,%function;     \
   name:
 
-#define END(name)	\
-  .cfi_endproc;		\
+#define END(name)       \
+  .cfi_endproc;         \
   .size name, .-name;
 
 #define L(l) .L ## l